unity text --

how can i create text in unity that pops up?

Do you mean on the screen (HUD) or in the 3D scene?

If in the HUD: http://unity3d.com/support/documentation/ScriptReference/GUI.Label.html

If in 3d: http://unity3d.com/support/documentation/ScriptReference/TextMesh-text.html

Third time this question was asked just today http://answers.unity3d.com/questions/41133/dynamic-text-on-object